/Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncCore/Source/ConcertSyncCore/Public/ConcertSyncSessionDatabase.h
The package data stream passed to the callback through the FConcertSycnPackageEventData is only valid during the callback.
True if the package activity was found, false otherwise.
bool GetPackageActivity ( const int64 InActivityId, [FConsumePackageActivityFunc](API\Plugins\ConcertSyncCore\FConsumePackageActivityFunc) PackageActivityFn ) const